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better define
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‎src/libmodbus/modbus.h

Lines changed: 8 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -59,12 +59,14 @@ MODBUS_BEGIN_DECLS
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#endif
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/* ESP8266 / ESP32 compatibility */
62-
#if defined(ESP8266)
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#define RS485_SER_CONF_TYPE SerialConfig
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#elif defined(ESP32)
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#define RS485_SER_CONF_TYPE uint32_t
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#else
67-
#define RS485_SER_CONF_TYPE uint16_t
62+
#ifndef RS485_SER_CONF_TYPE
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#if defined(ESP8266)
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#define RS485_SER_CONF_TYPE SerialConfig
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#elif defined(ESP32)
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#define RS485_SER_CONF_TYPE uint32_t
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#else
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#define RS485_SER_CONF_TYPE uint16_t
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#endif
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#endif
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/* Modbus function codes */

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